US Bridges

Vt 00100 Ml over Alder Meadow Brook

Fair

Addison County, Vermont · 6.7 MI N Jct. VT.125 · Structure no. 200013015901072

Built
1933
92 years old, rebuilt 1959
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
1,200
2018 count
Owner
State
State Highway Agency

About this bridge

Vt 00100 Ml over Alder Meadow Brook is a concrete slab carrying Vt 00100 Ml over Alder Meadow Brook in Addison County, Vermont. It was built in 1933 and reconstructed in 1959, so it is 92 years old, older than the Vermont average of 60.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,200 vehicles a day, roughly 9% of them trucks, projected to reach 1,260 by 2028. The structure is 23 ft (7 m) long and 35 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesVt 00100 Ml
CrossesAlder Meadow Brook
Location6.7 MI N Jct. VT.125
RouteState Highway 100
StateVermont
Coordinates44.01702, -72.85044
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2018)
Projected traffic1,260 by 2028
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 00100 Ml over Alder Meadow Brook built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1959.

What condition is Vt 00100 Ml over Alder Meadow Brook in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does Vt 00100 Ml over Alder Meadow Brook carry?

About 1,200 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Vt 00100 Ml over Alder Meadow Brook?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 35 ft wide.

Who owns Vt 00100 Ml over Alder Meadow Brook?

It is owned by the State Highway Agency.